import axios from 'axios'
import { Message, MessageBox } from 'element-ui'
import store from '../store'
import qs from 'qs'
import { getToken } from '@/utils/auth'

// 创建axios实例
const service = axios.create({
  baseURL: process.env.BASE_API, // api 的 base_url
  timeout: 5000 // 请求超时时间
})
service.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded'
// request拦截器
service.interceptors.request.use(
  config => {
    if (store.getters.token) {
      config.headers['Authorization'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    return config
  },
  error => {
    // Do something with request error
    console.log(error) // for debug
    Promise.reject(error)
  }
)

// response 拦截器
service.interceptors.response.use(
  response => {
    /**
     * code为非20000是抛错 可结合自己业务进行修改
     */

    const res = response.data
    if (res.status !== 200) {
      // 50008:非法的token; 50012:其他客户端登录了;  50014:Token 过期了;
      if (res.status === 40101 || res.status === 50012 || res.status === 50014) {
        MessageBox.confirm(
          '你已被登出，可以取消继续留在该页面，或者重新登录',
          '确定登出',
          {
            confirmButtonText: '重新登录',
            cancelButtonText: '取消',
            type: 'warning'
          }
        ).then(() => {
          store.dispatch('FedLogOut').then(() => {
            location.reload() // 为了重新实例化vue-router对象 避免bug
          })
        })
      } else {
        Message({
          message: res.message,
          type: 'error',
          duration: 5 * 1000
        })
        return Promise.reject('error')
      }
    } else {
      return response.data.data
    }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default {
  getBaseUrl() {
    return service.defaults.baseURL
  },
  fetchGet(url, params) {
    return new Promise((resolve, reject) => {
      if (params) {
        url = url + '?' + qs.stringify(params)
      }
      service.get(url).then(res => {
        resolve(res)
      }).catch(error => {
        reject(error)
      })
    })
  },
  fetchPost(url, params = {}) {
    return new Promise((resolve, reject) => {
      service.post(url, qs.stringify(params)).then(res => {
        resolve(res)
      }).catch(error => {
        reject(error)
      })
    })
  }
}
